Feature 1 LIGHTWEIGHT AND PORTABLE: Lightweight design for easy transportation. Recommended for indoor use, very practical 2 SUITABLE FOR SPORTS: Indoor tabletop electronic scoreboard can be used for basketball, wrestling, volleyball, boxing, etc. 3 MULTIPLE MODES: Including period, bonus, and ownership metrics. Features training, exercise and circuit timer modes 4 11 DIGIT DISPLAY: Yellow, red and green LED displays are 11 digit. The scoreboard has a loud built in speaker 5 WITH FITTINGS: Equipped with remote control, bracket, hook, screw, easy for you to install and use, complete accessories guarantees convenient operationItem Type: Indoor Tabletop Electronic ScoreboardModel: GA30BPlug Input Voltage: 100-240VPlug Output Voltage: DC 5VScoreboard Power Supply: DC 5V or 3 x Li ion 18650 batteries(not include)Remote Control Power Supply: 2 x AAA batteries(not include)Score Board Display: 1. Single game time, timing mode countdown, can be edited. If the value is greater than 1 minute, the value is displayed in (minute: second) format. If the value is less than 1 minute, the value is displayed in (second: millisecond) format.2. Show the number of match sections, from 1 to 5.3. HOME score and GUEST score display, showing a maximum of 199.4. Direction of attack arrow display. Package List1 x Scoreboard1 x Remote Control1 x Power Supply Plug1 x Power Supply Line1 x Bracket2 x Hook2 x Punch Free Hook6 x Screw2 x Expansion ScrewNoteIndoor use, not waterproof.